Product comparison · 2 laptops

Lenovo T440p + LT1421p vs Lenovo IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop

140specifications compared
48differ
92identical
58known for one product only

Key differences

Display diagonal
- T440p + LT1421p:35.6 cm (14")
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:39.6 cm (15.6")
Display resolution
- T440p + LT1421p:1600 x 900 pixels
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:1366 x 768 pixels
Processor model
- T440p + LT1421p:i5-4200M
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:i5-4200U
Processor boost frequency
- T440p + LT1421p:3.1 GHz
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:2.6 GHz
Processor frequency
- T440p + LT1421p:2.5 GHz
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:1.6 GHz
Processor socket
- T440p + LT1421p:PGA946
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:BGA 1168
Bus type
- T440p + LT1421p:DMI
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:DMI2
Thermal Design Power (TDP)
- T440p + LT1421p:37 W
- IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:15 W

Side by side

Differences highlightedShow differences only

Comparison of T440p + LT1421p, Z50
198 specifications	A Lenovo T440p + LT1421p View product	B Lenovo IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop Model Z50 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Carbon fibre, Glass fibre, Plastic	Unknown — not stated by the source
Market positioningKnown for one	Business	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeKnown for one	HD+	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor9 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	4th gen Intel® Core™ i5	4th gen Intel® Core™ i5
Processor modelDiffers	i5-4200M	i5-4200U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3.1 GHz	2.6 GHz
Processor frequencyDiffers	2.5 GHz	1.6 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	PGA946	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-4200 Mobile series	Intel Core i5-4200 Mobile series
Processor codename	Haswell	Haswell
Bus typeDiffers	DMI	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)Differs	37 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	16	12
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	1x4, 2x4
PCI Express slots versionDiffers	3.0	2.0
ECC supported by processor	No	No
Memory2 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Differs	1 x 8 GB	2 x 4 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	16 GB	8 GB
Maximum internal memory (64-bit)Known for one	16 GB	Unknown — not stated by the source
Storage6 differ
Total storage capacityDiffers	500 GB	1 TB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	1 TB
HDD interfaceDiffers	SATA III	SATA
HDD speedDiffers	7200 RPM	5400 RPM
HDD size	2.5"	2.5"
Optical drive typeDiffers	DVD±RW	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	MMC, SD
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 730M	NVIDIA® GeForce® GT 840M
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Intel® HD Graphics 4400
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequencyDiffers	400 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1000 MHz
On-board graphics card DirectX versionDiffers	11.1	12
On-board graphics card IDDiffers	0x416	0xA16
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Number of discrete graphics cards supportedKnown for one	1	Unknown — not stated by the source
Maximum resolutionKnown for one	3840 x 2160 pixels	Unknown — not stated by the source
Graphics card Open GL supportKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Audio2 differ
Audio systemDiffers	Dolby Advanced Audio v2	Dolby Home Theater
Number of built-in speakers	2	2
Speaker powerDiffers	1 W	1.5 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Network1 differ
Mobile network connectionKnown for one	Yes	Unknown — not stated by the source
Mobile network generationKnown for one	4G	Unknown — not stated by the source
2G standardsKnown for one	Edge, GPRS, GSM	Unknown — not stated by the source
3G standardsKnown for one	HSPA	Unknown — not stated by the source
4G standardKnown for one	LTE	Unknown — not stated by the source
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
WWANKnown for one	Installed	Unknown — not stated by the source
4G WiMAXKnown for one	Unknown — not stated by the source	No
Ports & interfaces4 differ
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	0	1
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Thunderbolt ports quantity	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
USB Sleep-and-ChargeKnown for one	Yes	Unknown — not stated by the source
USB Sleep-and-Charge portsKnown for one	1	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Headphone outputsKnown for one	Unknown — not stated by the source	0
Microphone inKnown for one	Unknown — not stated by the source	No
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	4
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	4
Performance1 differ
Motherboard chipsetDiffers	Intel® QM87	Intel HM76 Express
GPS (satellite)Known for one	Yes	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Keyboard backlitKnown for one	Yes	Unknown — not stated by the source
Numeric keypadDiffers	No	Yes
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8.1
Operating system architecture	64-bit	64-bit
Processor special features7 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	Unknown — not stated by the source
Processor ARK IDDiffers	76348	75459
Processor codeDiffers	SR1HA	SR170
Processor package sizeDiffers	37.5 x 37.5 x 4.7 mm	40 x 24 x 1.5 mm
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	6	4
Battery capacityKnown for one	56 Wh	Unknown — not stated by the source
Battery life (max)Differs	7.2 h	5 h
Poweridentical
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	HDD, Power on, Supervisor	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	GREENGUARD	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.16 kg	2.5 kg
WidthDiffers	335 mm	375 mm
DepthDiffers	229.1 mm	263 mm
Height (front)Known for one	2.79 cm	Unknown — not stated by the source
Height (rear)Known for one	3 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	25.4 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More laptop comparisons

All laptop comparisons